Amib.Threading.Internal.WorkItemsQueue.PopWaiter C# (CSharp) Метод

        private WaiterEntry PopWaiter()
        {
            // Store the current stack head
            WaiterEntry oldFirstWaiterEntry = _headWaiterEntry._nextWaiterEntry;

            // Store the new stack head
            WaiterEntry newHeadWaiterEntry = oldFirstWaiterEntry._nextWaiterEntry;

            // Update the old stack head list links and decrement the number
            // waiters.
            RemoveWaiter(oldFirstWaiterEntry, true);

            // Update the new stack head
            _headWaiterEntry._nextWaiterEntry = newHeadWaiterEntry;
            if (null != newHeadWaiterEntry)
            {
                newHeadWaiterEntry._prevWaiterEntry = _headWaiterEntry;
            }

            // Return the old stack head
            return oldFirstWaiterEntry;
        }